Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 712

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-712 A Caledonia NY ROCHNYEI6MD  939H COMMIO, LLC 974   2024-04-01   
585-712 0 Caledonia NY ROCHNYEI6MD  939H COMMIO, LLC 974   2024-04-01   
585-712 1 Caledonia NY ROCHNYXAXLX  624H ONVOY SPECTRUM, LLC 974   2025-01-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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